Home / 3,617,201.20-5,425,801.80-1,488,812.80

Finding the Fourth Proportional to 3,617,201.20, 5,425,801.80 and 1,488,812.80

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Solution

The fourth proportional to 3,617,201.20, 5,425,801.80 and 1,488,812.80 is: 2,233,219.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617,201.20 : 5,425,801.80 = 1,488,812.80 : x
  2. Step 2: Convert to fraction form
    3,617,201.20/5,425,801.80 = 1,488,812.80/x
  3. Step 3: Cross multiply
    3,617,201.20x = 5,425,801.80 × 1,488,812.80
  4. Step 4: Simplify right side
    3,617,201.20x = 8,078,003,170,103.04
  5. Step 5: Solve for x
    x = 8,078,003,170,103.04/3,617,201.20
  6. Step 6: Final answer
    x = 2,233,219.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.